Android and BaaS Freelance Geek to develop Viral Social Media Application

We have a customer who is looking for following a freelance professionals / services organisation having real great expertise in Android based application Development especially in combination with BaaS based solution to support its Server Side functionality. Overall Android Mobile Application functionality that is to be implemented is as follows : User of the Android Application should be authenticated with his/her Facebook Profile Credentials, User should be able manage his/her Contacts List in the application (Insert, Update, Delete and Groups Management) Application should be aware of contacts's online Presence (almost real-time) User should be able schedule a certain social event in his own calendar. User should be able to publish an event and event details to his/her Contact List (selected or all) in the form of invitation. Invitee party should be able to respond to the invitation with confirmation/response (Yes, No , Maybe) User should receive RSVP notification upon receiving confirmation / response (Yes, No , Maybe) from the invitee User should be able to able to view almost real-time list of confirmed attendees. Prior experience of using following technologies would be great advantage Social Media APIs like Facebook OAuth and Graph API, Twitter API BaaS Solution like StackMob, ParseIt, Kinvey etc Google Cloud Messaging REST API, JSON, NoSql Databases About ObjectMentorService We are a small high-end technology consulting services organization that focuses primarily in Enterprise Applications and Enterprise Mobile Computing space. We provide complete service continuum in more than 10+ Enterprise Domains and around all the niche areas of IT Management such as Infrastructure, Strategy, Design, IT landscape and Footprint Management Advisory, Solution and Enterprise Architecture, Project Execution, Project Management, Project Governance and Managed Services